package com.soft.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginHandlerInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        Object loginUser = request.getSession().getAttribute("user");

        if(loginUser == null){
            request.setAttribute("msg", "请登录！");
            request.getRequestDispatcher("/index-two").forward(request, response);
            return false;
        }else {
            return true;
        }
    }
}
